[sysprof] Update POTFILES.in

[Piotr Drąg <piotrdrag src gnome org>]

commit 34a21a961161e24612fa00b1b3f3b235facbbe31
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Wed May 16 18:07:46 2018 +0200

    Update POTFILES.in

 po/POTFILES.in |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 9e2342c..ff03250 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -11,6 +11,7 @@ lib/resources/ui/sp-failed-state-view.ui
 lib/resources/ui/sp-profiler-menu-button.ui
 lib/resources/ui/sp-recording-state-view.ui
 lib/sources/sp-perf-source.c
+lib/visualizers/sp-visualizer-list.c
 lib/widgets/sp-profiler-menu-button.c
 src/resources/gtk/help-overlay.ui
 src/resources/gtk/menus.ui